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edges.go
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/
edges.go
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package graph
import (
"github.com/gonum/graph"
kapi "k8s.io/kubernetes/pkg/api"
osgraph "github.com/openshift/origin/pkg/api/graph"
kubegraph "github.com/openshift/origin/pkg/api/kubegraph/nodes"
routegraph "github.com/openshift/origin/pkg/route/graph/nodes"
)
const (
// ExposedThroughRouteEdgeKind is an edge from a route to any object that
// is exposed through routes
ExposedThroughRouteEdgeKind = "ExposedThroughRoute"
)
// AddRouteEdges adds an edge that connect a service to a route in the given graph
func AddRouteEdges(g osgraph.MutableUniqueGraph, node *routegraph.RouteNode) {
syntheticService := &kapi.Service{}
syntheticService.Namespace = node.Namespace
syntheticService.Name = node.Spec.To.Name
serviceNode := kubegraph.FindOrCreateSyntheticServiceNode(g, syntheticService)
g.AddEdge(node, serviceNode, ExposedThroughRouteEdgeKind)
}
// AddAllRouteEdges adds service edges to all route nodes in the given graph
func AddAllRouteEdges(g osgraph.MutableUniqueGraph) {
for _, node := range g.(graph.Graph).Nodes() {
if routeNode, ok := node.(*routegraph.RouteNode); ok {
AddRouteEdges(g, routeNode)
}
}
}